he surprised colorado's action committee by joining his sons on stage and talking of feeling the energy. >> i said the president's vision has trickle down government and i don't think that's what american believes in. i see instead a prosperity that comes through freedom. >> reporter: the president made a denver appearance as well. he said last night's debate also reminded him of two things, both named romney. >> the real romney has been running around the country for the last year promising five trillon dollars in tax cuts to favor the wealthy, the -- last night he said he didn't know anything about that. >> reporter: romney used the debate to focus on a middle class squeeze that's happened in the president's first term. and many were surprised the president didn't bring up romney's remarks about how he views 47% of americans. it could have put romey any on defense. it's back to the campaign trail now. the president is in with wisconsin where was campaigning just one state over there joe biden who was in iowa and then we saw romney leave cole doll to go to virginia. he can campaigning